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Special paper or cardboard manufactured by dry method; Apparatus or processes for forming webs by dry method from mainly short-fibre or particle material
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D21H5/26
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Parent Industries
D
TEXTILES PAPER
D21
Papermaking
D21H
PULP COMPOSITIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D IMPREGNATING OR COATING OF PAPER TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G PAPER NOT OTHERWISE PROVIDED FOR
D21H5/00
Special paper or cardboard not otherwise provided for
Current Industry
D21H5/26
Special paper or cardboard manufactured by dry method; Apparatus or processes for forming webs by dry method from mainly short-fibre or particle material
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Patents Grants
last 30 patents
Information
Patent Grant
Cellulose and cellulose ester film
Patent number
11,525,215
Issue date
Dec 13, 2022
Eastman Chemical Company
Charles Stuart Everett
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Sheet forming binder, container, sheet forming apparatus, sheet for...
Patent number
11,465,387
Issue date
Oct 11, 2022
Seiko Epson Corporation
Hiroki Kurata
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Sheet manufacturing apparatus
Patent number
10,914,034
Issue date
Feb 9, 2021
Seiko Epson Corporation
Naotaka Higuchi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Output conveyor belt of a crosslapper
Patent number
10,745,201
Issue date
Aug 18, 2020
Oskar Dilo Maschinenfabrik KG
Johann Philipp Dilo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for producing nonwoven with improved surface properties
Patent number
10,435,826
Issue date
Oct 8, 2019
SCA Hygiene Products AB
Mikael Strandqvist
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Sheet manufacturing apparatus
Patent number
9,951,473
Issue date
Apr 24, 2018
Seiko Epson Corporation
Masahide Nakamura
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Sheet manufacturing apparatus and sheet manufacturing method
Patent number
9,790,642
Issue date
Oct 17, 2017
Seiko Epson Corporation
Masahide Nakamura
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Transformer paper and other non-conductive transformer components
Patent number
8,980,053
Issue date
Mar 17, 2015
SABIC Innovative Plastics IP B.V.
John R. Krahn
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method of making soft paper
Patent number
5,061,344
Issue date
Oct 29, 1991
Sunds Defibrator Aktiebolag
Irene K. Wedin
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Fibrous absorption body for use in disposable articles
Patent number
4,980,226
Issue date
Dec 25, 1990
Molnlycke AB
Maud Hellgren
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Apparatus for the production of elastic absorbent
Patent number
4,931,005
Issue date
Jun 5, 1990
Showa Denko Kabushiki Kaisha
Toyoaki Tanaka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Elastic absorbent and process for production thereof
Patent number
4,902,463
Issue date
Feb 20, 1990
Showa Denko Kabushiki Kaisha
Toyoaki Tanaka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Elastic absorbent
Patent number
4,822,668
Issue date
Apr 18, 1989
Showa Denko Kabushiki Kaisha
Toyoaki Tanaka
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for the production of a brous absorption body
Patent number
4,818,315
Issue date
Apr 4, 1989
Molnlycke AB
Maud Hellgren
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for making pressboard from poly-coated paper
Patent number
4,810,445
Issue date
Mar 7, 1989
Fortifiber Corporation
Vernon L. Lamb
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Method and apparatus for forming a web
Patent number
4,688,301
Issue date
Aug 25, 1987
Sunds Defibrator AB
Sven-Ingvar Thorbjornsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and an apparatus for embossing a dry laid fibre web, e.g. fo...
Patent number
4,668,322
Issue date
May 26, 1987
Scan-Web I/S
John M. Christensen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and apparatus for forming a web
Patent number
4,662,032
Issue date
May 5, 1987
KMW Aktiebolag
Sven-Ingvar Thorbjornsson
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and apparatus for fiberizing fibrous sheets
Patent number
4,650,127
Issue date
Mar 17, 1987
Kimberly-Clark Corporation
Fred R. Radwanski
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for pre-resinating cellulose fibers for cellulose composite...
Patent number
4,647,324
Issue date
Mar 3, 1987
United Technologies Automotive Trim, Inc.
Stanlake A. Mtangi
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Patterned dry laid fibrous web products of enhanced absorbency
Patent number
4,612,231
Issue date
Sep 16, 1986
James River-Dixie Northern, Inc.
Michael P. Bouchette
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Incorporation of a hydrophile in fibrous webs to enhance absorbency
Patent number
4,600,462
Issue date
Jul 15, 1986
James River/Dixie-Northern, Inc.
William R. Watt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of manufacture of a felted fibrous product from a nonaqueous...
Patent number
4,597,930
Issue date
Jul 1, 1986
John R. Szal
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Stabilized absorbent structure containing thermoplastic fibers
Patent number
4,590,114
Issue date
May 20, 1986
Personal Products Company
Dennis C. Holtman
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Stabilized absorbent structure containing non-delignified wood pulp...
Patent number
4,544,596
Issue date
Oct 1, 1985
Personal Products Company
Dennis C. Holtman
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Stabilized absorbent structure and method of making same
Patent number
4,536,432
Issue date
Aug 20, 1985
Personal Products Co.
Dennis C. Holtman
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for producing homogeneous batts of air-laid fibers
Patent number
4,495,119
Issue date
Jan 22, 1985
Raymond Chung
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information
Patent Grant
Air/water hybrid former
Patent number
4,486,268
Issue date
Dec 4, 1984
Kimberly-Clark Corporation
David A. Nuttall
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
High pressure decorative laminates containing an air-laid web of fi...
Patent number
4,468,264
Issue date
Aug 28, 1984
Formica Corp.
Theodore R. Clarke
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Control of bulk in air laid fibrous webs
Patent number
4,437,917
Issue date
Mar 20, 1984
James River/Dixie-Northern, Inc.
Thomas M. Tao
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
Output Conveyor Belt of a Crosslapper
Publication number
20200071083
Publication date
Mar 5, 2020
Oskar Dilo Maschinenfabrik KG
Johann Philipp DILO
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
CELLULOSE AND CELLULOSE ESTER FILM
Publication number
20200063353
Publication date
Feb 27, 2020
Eastman Chemical Company
Charles Stuart Everett
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
PROCESS FOR PRODUCING NONWOVEN WITH IMPROVED SURFACE PROPERTIES
Publication number
20180355527
Publication date
Dec 13, 2018
SCA Hygiene Products AB
Mikael STRANDQVIST
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
SHEET MANUFACTURING APPARATUS
Publication number
20170335516
Publication date
Nov 23, 2017
SEIKO EPSON CORPORATION
Masahide NAKAMURA
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Application
SHEET MANUFACTURING APPARATUS AND SHEET MANUFACTURING METHOD
Publication number
20160230338
Publication date
Aug 11, 2016
SEIKO EPSON CORPORATION
Masahide NAKAMURA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
HONEYCOMB PAPER
Publication number
20130260088
Publication date
Oct 3, 2013
SABIC INNOVATIVE PLASTICS IP BV
Benny Ezekiel David
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information
Patent Application
TRANSFORMER PAPER AND OTHER NON-CONDUCTIVE TRANSFORMER COMPONENTS
Publication number
20130255899
Publication date
Oct 3, 2013
SABIC INNOVATIVE PLASTICS IP BV
John R. Krahn
B32 - LAYERED PRODUCTS
Information
Patent Application
ELECTRICAL INSULATION PAPER, METHODS OF MANUFACTURE, AND ARTICLES M...
Publication number
20130260124
Publication date
Oct 3, 2013
SABIC INNOVATIVE PLASTICS IP BV
Benny Ezekiel David
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRICAL INSULATION PAPER, METHODS OF MANUFACTURE, AND ARTICLES M...
Publication number
20130260123
Publication date
Oct 3, 2013
SABIC INNOVATIVE PLASTICS IP BV
John R. Krahn
B32 - LAYERED PRODUCTS